<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        var name =prompt('您的姓名是');
        var age =prompt('您的年龄是');
        var sex =prompt('您的性别是');
        alert('您的姓名是 '+name+'\n'+您的年龄是'+age+'\n您的性别是'+sex);

    </script>
</body>
</html>